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Finding the Fourth Proportional to 18,350.60, 27,525.90 and 5,203.08

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Solution

The fourth proportional to 18,350.60, 27,525.90 and 5,203.08 is: 7,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.60 : 27,525.90 = 5,203.08 : x
  2. Step 2: Convert to fraction form
    18,350.60/27,525.90 = 5,203.08/x
  3. Step 3: Cross multiply
    18,350.60x = 27,525.90 × 5,203.08
  4. Step 4: Simplify right side
    18,350.60x = 143,219,459.77
  5. Step 5: Solve for x
    x = 143,219,459.77/18,350.60
  6. Step 6: Final answer
    x = 7,804.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.